Turn Signal Relay Circuit Diagram

If you have cornering lights and want them to come on only when your turn signal is on and you do not have a steady output use the following for each side.

Turn signal relay circuit diagram.

Variety of universal turn signal wiring diagram. Some have the tail light wire running through them 4 wire into 3 wire and some don t 3 wire into 2 wire. Most common problem sources include bulbs wires connectors fuses flasher units and switches. This diagram shows the turn signal flasher circuit in its simplest form.

Turn signal problems and diagnosis can get confusing especially when a system shares wires and connections with the parking warning and braking light systems. Externally the only difference is in the connection for the dash indicator. So the average car owner can troubleshoot these faults with the use of a test light and sometimes a digital multimeter dmm. A wiring diagram is a streamlined standard pictorial depiction of an electric circuit.

Later the 4 terminal flasher relay was replaced with a somewhat simpler 3 terminal design. This will give you a steady output while the turn signal is on. The turn signal circuit gets power when the ignition key is on. The power goes through a fuse panel into the thermal flasher.

You can get them at places like napa or here. From there it goes to the stalk on the steering column. A quick and cheap way that works just as good is a tail light wiring converter for trailers. Pulsed to steady output turn signal output to steady output for duration of turn signal relay wiring diagram.